On 11-10-19, 16:44, Srinivas Kandagatla wrote:
> +static irqreturn_t qcom_swrm_irq_handler(int irq, void *dev_id)
> +{
> + struct qcom_swrm_ctrl *ctrl = dev_id;
> + u32 sts, value;
> + unsigned long flags;
> +
> + ctrl->reg_read(ctrl, SWRM_INTERRUPT_STATUS, &sts);
> +
> + if (sts & SWRM_INTERRUPT_STATUS_CMD_ERROR) {
> + ctrl->reg_read(ctrl, SWRM_CMD_FIFO_STATUS, &value);
> + dev_err_ratelimited(ctrl->dev,
> + "CMD error, fifo status 0x%x\n",
> + value);
> + ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CMD, 0x1);
> + }
> +
> + if ((sts & SWRM_INTERRUPT_STATUS_NEW_SLAVE_ATTACHED) ||
> + sts & SWRM_INTERRUPT_STATUS_CHANGE_ENUM_SLAVE_STATUS)
> + schedule_work(&ctrl->slave_work);
we are in irq thread, so why not do the work here rather than schedule
it?
> +static int qcom_swrm_compute_params(struct sdw_bus *bus)
> +{
> + struct qcom_swrm_ctrl *ctrl = to_qcom_sdw(bus);
> + struct sdw_master_runtime *m_rt;
> + struct sdw_slave_runtime *s_rt;
> + struct sdw_port_runtime *p_rt;
> + struct qcom_swrm_port_config *pcfg;
> + int i = 0;
> +
> + list_for_each_entry(m_rt, &bus->m_rt_list, bus_node) {
> + list_for_each_entry(p_rt, &m_rt->port_list, port_node) {
> + pcfg = &ctrl->pconfig[p_rt->num - 1];
> + p_rt->transport_params.port_num = p_rt->num;
> + p_rt->transport_params.sample_interval = pcfg->si + 1;
> + p_rt->transport_params.offset1 = pcfg->off1;
> + p_rt->transport_params.offset2 = pcfg->off2;
> + }
> +
> + list_for_each_entry(s_rt, &m_rt->slave_rt_list, m_rt_node) {
> + list_for_each_entry(p_rt, &s_rt->port_list, port_node) {
> + pcfg = &ctrl->pconfig[i];
> + p_rt->transport_params.port_num = p_rt->num;
> + p_rt->transport_params.sample_interval =
> + pcfg->si + 1;
> + p_rt->transport_params.offset1 = pcfg->off1;
> + p_rt->transport_params.offset2 = pcfg->off2;
> + i++;
> + }
Can you explain this one, am not sure I understood this. This fn is
supposed to compute and fill up the params, all I can see is filling up!
> +static const struct snd_soc_dai_ops qcom_swrm_pdm_dai_ops = {
> + .hw_params = qcom_swrm_hw_params,
> + .prepare = qcom_swrm_prepare,
> + .hw_free = qcom_swrm_hw_free,
> + .startup = qcom_swrm_startup,
> + .shutdown = qcom_swrm_shutdown,
> + .set_sdw_stream = qcom_swrm_set_sdw_stream,
why does indent look off to me!
--
~Vinod
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